Blue Key
From the Super Mario Wiki
A Blue Key.
The Blue Key is a key found in the Paper Mario series.
In the original Paper Mario, the Blue Key opens the blue door in the Crystal Palace.
In Paper Mario: The Thousand-Year Door, the Blue Key is located inside the Great Tree, in the room after the small Jabbi army. The key opens the cage where ninety Punis are imprisoned, increasing Mario's Puni army from eleven to one-hundred and one.
| Keys |
|---|
| Black Key | Blue Key | Card Key | Castle Bleck Key | Elevator Key | Fortress Key | House Key | Key | Luigi Key | Mario Key | Odd Key | Palace Key | Pedestal Key | Random House Key | Red Key | Ruins Key | Shop Key | Skeleton Key | Station Key | Steeple Key | Storage Key | Storeroom Key | Warehouse Key | Wario Key | Yakkey |
